CN206998760U - A kind of Wedge shape wire clamp mounting tool - Google Patents
A kind of Wedge shape wire clamp mounting tool Download PDFInfo
- Publication number
- CN206998760U CN206998760U CN201721008271.7U CN201721008271U CN206998760U CN 206998760 U CN206998760 U CN 206998760U CN 201721008271 U CN201721008271 U CN 201721008271U CN 206998760 U CN206998760 U CN 206998760U
- Authority
- CN
- China
- Prior art keywords
- nylon block
- steel plate
- plate
- block
- nylon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004677 Nylon Substances 0.000 claims abstract description 83
- 229920001778 nylon Polymers 0.000 claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 15
- 239000004020 conductor Substances 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003721 gunpowder Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910001296 Malleable iron Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Abstract
It the utility model is related to the extracting tool of electric supply installation, in particular to a kind of Wedge shape wire clamp mounting tool, it is characterised in that：Provided with top locking device,Hydraulic telescopic device and lower locking mechanism,Top locking device includes the first steel plate and the second steel plate,It is provided with two semi-circular recesses with being respectively separated on first steel plate and the second steel plate,First steel plate and the second steel plate are connected through bolt,Lower locking mechanism includes the first nylon block and the second nylon block,First nylon block and the second nylon block are connected through fixing bolt,First nylon block and the second nylon block are respectively equipped with built-in groove,Pull bar is provided with groove,Pull bar lower end is connected with baffle plate,Baffle plate is provided with wire through-hole and wire line hitch,Hydraulic telescopic device includes two hydraulically extensible posts,The both ends of hydraulically extensible post are connected with top locking device and lower locking mechanism respectively,Compared with prior art,The utility model is rational in infrastructure,Cost is low,It is easy for installation,Efficiency high and do not damage wedge clamp.
Description
Technical field
It the utility model is related to the extracting tool of electric supply installation, in particular to a kind of Wedge shape wire clamp mounting tool.
Background technology
Wedge clamp designs and produces according to " wedge " principle, steel strand wires is locked at wire clamp in splitting under power acts on for wedge
Interior, existing wedge clamp mounting means is first to be arranged on two steel strand wires in two wire casings of wire clamp, then fills in chock
Between steel strand wires, finally chock is driven into or knocked in wire clamp using pacifying general rifle firing device or hammer, be allowed to compress with wire clamp, from
And fix wire, but the general rifle firing device of peace is expensive, time-consuming for scene filling gunpowder, and installation effectiveness is low；Because line
Folder and chock are manufactured for malleable cast iron, and zinc-plated processing is done on surface, and hammer frequently can lead to wedge clamp corrosion after tapping, machinery
Intensity decreases, severe patient cause bracing wire load insufficient, and the bar that occurs to fall breaks bar accident, the stable operation of serious threat power network, in addition,
Chock is tapped using hammer and enters wire clamp, it is also necessary to which operating personnel confirm whether chock is installed in place repeatedly, waste time and energy.
The content of the invention
The purpose of this utility model is to solve prior art deficiency, there is provided a kind of Wedge shape wire clamp mounting tool, cost
It is low, easy for installation, efficiency high, do not damage wedge clamp.
To achieve the above object, technical scheme is used by the utility model：A kind of Wedge shape wire clamp mounting tool, it is special
Sign is：Provided with top locking device, hydraulic telescopic device and lower locking mechanism, top locking device includes square first
Steel plate and the second square steel plate, are provided with two semi-circular recesses on the first steel plate and the second steel plate with being respectively separated, and described
Semi-circular recesses on one steel plate and the second steel plate are respectively with respect to the conductor grip for forming two clamping wires, the first steel plate and second
The both ends of steel plate are respectively equipped with corresponding bolt hole, and the first steel plate and the second steel plate are connected through bolt with bolt hole, described
Lower locking mechanism includes the first square nylon block and the second square nylon block, the upper end of the first nylon block and the second nylon
The upper end of block is respectively equipped with the first bolt hole and the second bolt hole, and first bolt hole and the second bolt hole are relative and same
On horizontal line, fixing bolt sequentially passes through the first bolt hole and the first nylon block and the second nylon block are connected by the second bolt hole
Connect, the tail end end face of first nylon block and the tail end end face of the second nylon block are respectively equipped with built-in groove, are set in groove
There is pull bar, spring is cased with pull bar, spring block is provided with the groove port, the upper end of pull bar positions provided with spring
Block, the lower end of pull bar pass groove and are connected with baffle plate respectively, and the baffle plate is rectangle, and the both ends of baffle plate, which are respectively equipped with, leads
Line three-way hole, the back side of baffle plate are respectively equipped with the fixed plate perpendicular with baffle plate at wire through-hole, and the wire line hitch is through spiral shell
Bolt is connected with fixed plate, and the hydraulic telescopic device includes two hydraulically extensible posts, one end difference of two hydraulically extensible posts
Be connected with the side of the first steel plate or the side of the second steel plate, the other ends of two hydraulically extensible posts respectively with the first nylon block
It is connected with the second nylon block.
The surface of first nylon block and the second nylon block described in the utility model is provided with connecting plate, and connecting plate one end is through bolt
It is connected with the first nylon block, the connecting plate other end is provided with locating slot, and locating slot is in convex shape, and locating slot includes connected opening
Groove and rectangular recess, second nylon block are provided with the bolt that is engaged with rectangular recess, thus, when by wedge shape
When wire clamp is placed among the first nylon block and the second nylon block, it on the one hand can be clamped by fixing bolt, on the other hand pass through company
Bolt on fishplate bar is engaged with rectangular recess, wedge clamp upper surface is fixed, this prevents led in installation
Wedge clamp tampers during line, increases the reliability of installation.
Groove inner wall described in the utility model is provided with the dragging track for the positioning of spring locating piece, when by chock bottom card
When on baffle plate, spring can produce pulling force to pull bar, and pull bar pulls baffle plate, further speeded up chock and entered wedge clamp
Time, improve wedge clamp installation efficiency.
Hydraulically extensible post described in the utility model is upright jack, and upright jack includes base, piston rod and operation
Handle, upright jack have the characteristics that easy to operate, safe and reliable, laborsaving.
The relative end face of first nylon block and the second nylon block described in the utility model is provided with to match with wedge clamp outer wall
The wedge-shaped impression of conjunction, the upper surface of first nylon block and the upper surface of the second nylon block, which are respectively equipped with, prevents wedge clamp from sliding
The U-shaped block machine gone out, thus, in conducting wire, U-shaped block machine can further prevent wedge clamp from the first nylon block and the second Buddhist nun
Being skidded off between imperial block, wedge-shaped impression can make the first nylon block and the second nylon block is even closer is contacted with wedge clamp, this
Outside, when chock passes through wedge clamp, wire can by a horizontal extruding force, wedge-shaped impression between wedge clamp and chock
The extruding force of a longitudinal direction is produced to wedge clamp, then wedge clamp can produce the pressure of a longitudinal direction to wire, it is ensured that lead
Line is more closely clamped in wedge clamp.
Hydraulic telescopic device described in the utility model also includes two stressed plates, and stressed plate one side is connected with hydraulically extensible post
Connect, stressed plate another side is connected with the first nylon block or the second nylon block, and stressed plate is as force bearing plate, available buffer hydraulically extensible
Post is applied to the pressure on the first nylon block and the second nylon block when flexible.
It is respectively equipped among two semi-circular recesses on first steel plate and the second steel plate described in the utility model corresponding
Bolt hole, strengthen the compactness that the first steel plate and the second steel plate are connected, further increase top locking device to leading
The clamping dynamics of line.
Anti-skid rubber cushion is connected with baffle plate described in the utility model, on the one hand increases rubbing between baffle plate and chock bottom
Power is wiped, another aspect anti-skid rubber cushion elasticity is good, will not damage the zinc coat on chock surface.
Compared with prior art, the utility model is fixed under wedge clamp body and wire by lower locking mechanism
End, wire sequentially pass through wire through-hole on baffle plate, two wire casings of wedge clamp body and conductor grip and pass through top locking device
It is fixed, chock is stuck on wedge clamp body between two wires, the bottom of chock is placed on baffle plate, passes through hydraulic telescopic device
Pull wire so that top locking device and lower locking mechanism separate, and chock is under the frictional force of wire and the thrust of baffle plate
Slided at together with wire along wedge clamp inner body wall to top locking device, as pulling force more drawing is tighter, gradually in lock
Tight state, in the process, operating personnel can check whether chock is installed in place at any time, easy-to-operate, nylon block weight
Gently, intensity is high, there is wear-resisting, corrosion-resistant to act on, and will not damage wedge clamp；The utility model is simple in construction, cost is low, installation
Efficiency high, wedge clamp can be protected well.
Brief description of the drawings
Fig. 1 is a kind of structural representation of wedge clamp in the prior art.
Fig. 2 is a kind of structural representation of the present utility model.
Fig. 3 is the top view of the utility model middle and upper part locking device.
Fig. 4 is the upward view of baffle plate in the locking device of the utility model middle and lower part.
Fig. 5 is the top view of the second nylon block in the locking device of the utility model middle and lower part.
Fig. 6 is the utility model Fig. 5 A-A sectional views.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, understands for convenience, and Fig. 1 gives existing
There is a kind of wedge clamp in technology（1）, including wedge clamp body（2）, wedge clamp body（2）On two wire casings（3）With
Chock（4）, traditional mode is that first wire is put into two wire casings on wedge clamp body, and chock then is put into wedge-shaped line
Between pressing from both sides the wire casing of body two, chock is driven into or knocked in wire clamp by pacifying general rifle firing device or hammer, be allowed to compress with wire clamp,
So as to which wire be fixed, but the general rifle firing device of peace is expensive, and time-consuming for scene filling gunpowder, and installation effectiveness is low, hammer
Wedge clamp corrosion can be caused by beaing, and mechanical strength reduces, and severe patient causes bracing wire load insufficient, and the disconnected bar accident of bar occurs,
The stable operation of serious threat power network, and hammer percussion efficiency is low, it is necessary to which operating personnel, which first strike and then stopped, confirms that chock is
It is no to be installed in place, waste time and energy, the utility model solves prior art deficiency, there is provided a kind of cost is low, installation effectiveness is high,
The Wedge shape wire clamp mounting tool of wedge clamp is not damaged, it is characterised in that：Provided with top locking device（5）, hydraulic telescopic device
（6）And lower locking mechanism（7）, top locking device（5）Including the first square steel plate（8）With the second square steel plate（9）,
First steel plate（8）With the second steel plate（9）On be provided with two semi-circular recesses with being respectively separated（10）, first steel plate（8）With
Second steel plate（9）On semi-circular recesses（10）Respectively with respect to the conductor grip for forming two clamping wires（11）, the first steel plate（8）
With the second steel plate（9）Both ends and adjacent wires folder（11）Centre be respectively equipped with corresponding bolt hole, the first steel plate（8）
With the second steel plate（9）Through bolt（12）It is connected with bolt hole, the lower locking mechanism（7）Including the first square nylon block
（13）With the second square nylon block（14）, first nylon block（13）With the second nylon block（14）Relative end face be provided with
Wedge clamp（1）The wedge-shaped impression that outer wall is engaged（15）, first nylon block（13）Upper surface and the second nylon block
（14）Upper surface be respectively equipped with and prevent wedge clamp body（2）The U-shaped block machine skidded off（16）, thus, in conducting wire, U
Shape block machine can further prevent wedge clamp body from being skidded off between the first nylon block and the second nylon block, and wedge-shaped impression can make
First nylon block and the second nylon block are even closer with wedge clamp body contacts, in addition, when chock passes through wedge clamp sheet
During body, wire can be to wedge clamp body by a horizontal extruding force between wedge clamp body and chock, wedge-shaped impression
The extruding force of a longitudinal direction is produced, then wedge clamp body can produce the pressure of a longitudinal direction to wire, it is ensured that wire is tighter
Thickly it is clamped in wedge clamp body, first nylon block（13）With the second nylon block（14）Surface be provided with connecting plate
（17）, connecting plate（17）One end is through bolt and the first nylon block（13）It is connected, connecting plate（17）The other end is provided with locating slot
（18）, locating slot（18）In convex shape, locating slot（18）Including connected open slot（19）And rectangular recess（20）, described
Two nylon blocks（14）It is provided with and rectangular recess（20）The bolt being engaged（21）, thus, when by wedge clamp body
When being placed among the first nylon block and the second nylon block, it is engaged by the bolt on connecting plate with rectangular recess, will
Wedge clamp upper surface is fixed, and can be prevented that wedge clamp tampers in conducting wire, be increased the reliability of installation, the first nylon
Block（13）Upper end and the second nylon block（14）Upper end be respectively equipped with the first bolt hole and the second bolt hole, first bolt
Hole and the second bolt hole are relative and in the same horizontal line, fixing bolt（22）Sequentially pass through the first bolt hole and the second bolt hole
By the first nylon block（13）With the second nylon block（14）It is connected, first nylon block（13）Tail end end face and the second nylon
Block（14）Tail end end face be respectively equipped with built-in groove（23）, groove（23）It is interior to be provided with pull bar（24）, pull bar（24）On
It is cased with spring（25）, the groove（23）Spring block is provided with port（26）, pull bar（24）Upper end provided with spring position
Block（27）, groove（23）It is spring locating piece that inwall, which is provided with,（27）The dragging track of positioning, pull bar is under the action of the spring
It is capable of expansion and contraction, the first nylon block（13）With the second nylon block（14）The pull bar of lower end（24）Groove is passed respectively（23）Through bolt
With baffle plate（28）It is connected, the baffle plate（28）It is rectangle, baffle plate（28）Both ends be respectively equipped with wire through-hole（29）, baffle plate
（28）The back side on close to wire through-hole（29）Place is respectively equipped with and baffle plate（28）Perpendicular fixed plate（30）, thus, work as gear
When plate pushes chock and enters wedge clamp body, fixed plate will not hinder chock to advance, the fixed plate（30）On be respectively equipped with
Wire line hitch（31）, steel wire rope mouth is connected with fixed plate through bolt, when wire passes through wire line hitch and wire through-hole, passes through
Wire can be fixed in fixed plate by wire line hitch, and thus when top locking device pulls wire, wire can drive baffle plate
Move together, baffle plate promotes chock to enter wedge clamp, that is, completes wire installation, the hydraulic telescopic device（6）Including two
Hydraulically extensible post and two stressed plates（32）, the hydraulically extensible post is upright jack（33）, upright jack（33）Including
Base（34）, piston rod（35）And operation handle（36）, upright jack（33）Piston rod（35）Respectively with the first steel plate（8）
Side be connected, upright jack（33）Base（34）Respectively with stressed plate（32）It is connected, stressed plate（32）It is another
Face respectively with the first nylon block（13）With the second nylon block（14）Be connected, upright jack have it is easy to operate, safe, can
The features such as leaning on, be laborsaving.
The utility model outwards winding fixing bolt, opens connecting plate first in operation, and wedge clamp body is clamped in into the
In the wedge-shaped impression of the wedge-shaped impression of one nylon block and the second nylon block, be tightened nut, by connecting plate by locating slot and
Bolt is fixed, it would be desirable to which wire line hitch and wire through-hole that two strands of wires of connection are each passed through on baffle plate simultaneously pass through steel wire
Sling is fixed in fixed plate, and secondly two strands of wires are passed through to two wire casings of wedge clamp, be then passed through leading for top locking device
Wire clamp, conductor grip is locked through bolt, then pulls open baffle plate, chock is stuck on wedge clamp body between two wires, finally
Upright jack is started by action bars, because the wire on the locking device of top is fixed, wire can be locked from bottom and filled
Put to top locking device and move, thus, on the one hand two strands of wires are clamped by frictional force and drive chock along wedge clamp
Inwall slides, and on the other hand, baffle plate can also be push chock by the pulling force of two strands of wires and be moved into wedge clamp, with pulling force
More draw tightlier, gradually in locking state, in the process, operating personnel can check whether chock is installed in place at any time, operation peace
It is complete convenient, wedge clamp will not be damaged；The utility model is simple in construction, cost is low, installation effectiveness is high, can protect wedge shape well
The zinc coat on wire clamp surface is without damage, compared to conventional art, substantially increases the security of wedge clamp installation, and improve
The service life of wedge clamp.
Claims (8)
- A kind of 1. Wedge shape wire clamp mounting tool, it is characterised in that：Locked provided with top locking device, hydraulic telescopic device and bottom Device, top locking device include the first square steel plate and the second square steel plate, distinguished on the first steel plate and the second steel plate Compartment of terrain is provided with two semi-circular recesses, and the both ends of the first steel plate and the second steel plate are respectively equipped with corresponding bolt hole, and first Steel plate and the second steel plate are connected through bolt with bolt hole, and the lower locking mechanism includes square the first nylon block and square The second nylon block, the upper end of the upper end of the first nylon block and the second nylon block is respectively equipped with the first bolt hole and the second bolt Hole, first bolt hole and the second bolt hole are relative and in the same horizontal line, and fixing bolt sequentially passes through the first bolt hole The first nylon block and the second nylon block are connected with the second bolt hole, the tail end end face of first nylon block and the second nylon The tail end end face of block is respectively equipped with built-in groove, is provided with pull bar in groove, spring, the groove port are cased with pull bar Place is provided with spring block, and the upper end of pull bar is provided with spring locating piece, and the lower end of pull bar passes groove and is connected with baffle plate respectively Connect, the baffle plate is rectangle, and the both ends of baffle plate are respectively equipped with wire through-hole, be respectively equipped with baffle plate at wire through-hole with The perpendicular fixed plate of baffle plate, wire line hitch is respectively equipped with the fixed plate, the hydraulic telescopic device includes two hydraulic pressure Telescopic mast, one end of two hydraulically extensible posts are connected with the side of the first steel plate or the side of the second steel plate respectively, two liquid The other end of pressure telescopic mast is connected with the first nylon block and the second nylon block respectively.
- A kind of 2. Wedge shape wire clamp mounting tool according to claim 1, it is characterised in that：First nylon block and second The surface of nylon block is provided with connecting plate, and connecting plate one end is connected through bolt with the first nylon block, and the connecting plate other end is provided with fixed Position groove, locating slot be in convex shape, and locating slot includes connected open slot and rectangular recess, second nylon block provided with The bolt that rectangular recess is engaged.
- A kind of 3. Wedge shape wire clamp mounting tool according to claim 1, it is characterised in that：The groove inner wall is provided with The dragging track of spring locating piece positioning.
- A kind of 4. Wedge shape wire clamp mounting tool according to claim 1, it is characterised in that：The hydraulically extensible post is vertical Jack, upright jack include base, piston rod and operation handle.
- A kind of 5. Wedge shape wire clamp mounting tool according to claim 1, it is characterised in that：First nylon block and second The relative end face of nylon block is provided with the wedge-shaped impression that is engaged with wedge clamp outer wall, the upper surface of first nylon block and the The upper surface of two nylon blocks is respectively equipped with the U-shaped block machine for preventing wedge clamp from skidding off.
- A kind of 6. Wedge shape wire clamp mounting tool according to claim 1, it is characterised in that：Provided with two stressed plates, stress Plate one side is connected with hydraulically extensible post, and stressed plate another side is connected with the first nylon block or the second nylon block.
- A kind of 7. Wedge shape wire clamp mounting tool according to claim 1, it is characterised in that：First steel plate and the second steel Corresponding bolt hole is respectively equipped among two semi-circular recesses on plate.
- A kind of 8. Wedge shape wire clamp mounting tool according to claim 1, it is characterised in that：It is connected with the baffle plate anti-skidding Rubber blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721008271.7U CN206998760U (en) | 2017-08-14 | 2017-08-14 | A kind of Wedge shape wire clamp mounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721008271.7U CN206998760U (en) | 2017-08-14 | 2017-08-14 | A kind of Wedge shape wire clamp mounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206998760U true CN206998760U (en) | 2018-02-13 |
Family
ID=61458208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721008271.7U Expired - Fee Related CN206998760U (en) | 2017-08-14 | 2017-08-14 | A kind of Wedge shape wire clamp mounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206998760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581893A (en) * | 2018-07-10 | 2018-09-28 | 肇庆市高新区晓靖科技有限公司 | A kind of quick fixing and locking mechanism |
| CN114735118A (en) * | 2021-01-07 | 2022-07-12 | 欣芳塑胶工业有限公司 | Buckling structure of kettle rack |
-
2017
- 2017-08-14 CN CN201721008271.7U patent/CN206998760U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581893A (en) * | 2018-07-10 | 2018-09-28 | 肇庆市高新区晓靖科技有限公司 | A kind of quick fixing and locking mechanism |
| CN114735118A (en) * | 2021-01-07 | 2022-07-12 | 欣芳塑胶工业有限公司 | Buckling structure of kettle rack |
| CN114735118B (en) * | 2021-01-07 | 2023-11-17 | 欣芳塑胶工业有限公司 | Fastening structure of kettle rack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107443294A (en) | A kind of Wedge shape wire clamp mounting tool | |
| WO2016090881A1 (en) | Tensioning device and tensioning method for steel wire rope of cage guide of ultra-deep vertical shaft | |
| CN206998760U (en) | A kind of Wedge shape wire clamp mounting tool | |
| CN111042628B (en) | Drilling pole setting device for laying field power grid | |
| US7234566B2 (en) | Elevator insert | |
| CN211145074U (en) | Roughening device suitable for foundation bolt | |
| CN214221225U (en) | Anchoring piece for concrete structure | |
| CN202240387U (en) | Pneumatic multi-functional wire-rope wedging-sleeve removing and installing machine | |
| CN201074486Y (en) | Polished rod card without damaging polished rod of oil well | |
| CN205916922U (en) | Cable machine walking dolly is supplementary to be pull ropeway carrying -rope and crosses river structure | |
| CN101787853B (en) | Guide rail for drilling-production equipment and connection method thereof | |
| CN101530961B (en) | Spring attachment device for multifunctional winch | |
| CN106988219A (en) | A kind of method for connecting reel and cable hoisting Arch Bridge Construction being carried out using it | |
| CN104343406B (en) | Horizontal directional drill emergency device and its application process | |
| CN102700435A (en) | Cable buried type series capacitor pillow | |
| CN103373664B (en) | Self-tightening lifting appliance | |
| CN107482533B (en) | High-altitude steel rope type hydraulic wire tightening device for power transmission line | |
| CN215249048U (en) | Large caisson lifting appliance | |
| CN215562845U (en) | PTC tubular pile anti-prepressing static load test device | |
| CN216611216U (en) | Variable-tension hydraulic traction machine | |
| CN210418502U (en) | Self-moving plate unloading device for fully-mechanized mining hydraulic support | |
| CN216836813U (en) | Hoisting assembly suitable for prestress tensioning jack | |
| CN216999762U (en) | Recoverable waist rail structure of portable | |
| CN209855724U (en) | Oil field is preventing protection architecture that splits with wire rope cover in pit | |
| CN214092892U (en) | Adapter and adapter assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20180814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |